revised trycatch

function process(tab) {

  // dont need this try, as you aren't trying anything that will fail
  // try {
    
    console.log("process: ", tab.url)
    
    if (tab.url.match(/^https?:\/\/([^/]+\.)?facebook.com\//)) {
      console.log('url matches facebook')
      
      // dont need this try - it will never execute catch (if statement will fall
      // through to else before `catching` an error
      
      // try {
      
        if(!(tab.id in delayments) || delayments[tab.id] < (new Date()).getTime()) {
        
          try {
            // this line is the first one that could potentially fail
            contentProps(tab.id,{ state: 'modal' })
          } catch(e) { console.log(e) }
        }
        else {
          console.log('Bar');
        }
      }
      
      // catch(e) {
        console.error(e);
      }
    } else {
      console.log('Baz');
      // contentProps(tab.id,{ state: 'hidden' });
    }
    
  // } catch(e) {
  //  console.error(e);
  // }
}